<style>
*{
	box-sizing :border_box;
}
.logo{
	display:inline;
}

/*顶部一小条*/
ul.nav_bar{
	line-height:1;
	 font-size: 30px;
	 list-style-top: none;
	 text-align:center;
	 overflow: auto;
	background-color:#1ffff1;  
	
}
li{
	border-radius: 20px ;
	display:block;
	float: left;
	border-right:5px solid #ffffff;
	border-left:5px solid #ffffff;
}
li a.nav-link:{
	margin:0px;
	
	width: 10%;
	height:60px;
	padding-left:1px;
	
}

a.nav_link:hover{
 background-color:#15ff42;
}


/*下拉菜单*/
div.row{
	
}
.search{
	position:absolute;
	right:5%;
}
div.dropdown{
	position:relative;
	display:block;
}
div.dropdown button{
	background:#456456;
	width:100px;
	position:relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #ff44ff;
    min-width: 200%;
    overflow:auto
    padding: 12px 16px;
    z-index: 1;
}
div.dropdown-content a{
	display:block;
	border-bottom:2px solid #ffffff;
}
.dropdown:hover .dropdown-content {
    display: block;
}

/*中间一坨*/

div.middle div{
	
	position:relative;
	border-radius: 20px ;
	width:5%;
	display:block;
	background:#4aaaaa;
	margin-bottom:1px;
	
}
div.block{
display:block;
}
div.moving{text-align:center;}
div.news{
	position:absolute;
	width:30%;
	height:20%;
	top:60%;
	left:10%;
	border: 3px solid blue;
	
}



/*底部*/

	
.bottom_bar{
	
	width:100%;
	color:#ffffff;
	 text-align:center;
	background:#333333;
	bottom: 0px;
	z-index:500;
	 position:absolute;
}
	